安徽农业科学2011，Vol.39Issue(11)：6433-6435,6440,4.
陕西关中地区猕猴桃溃疡病调查及其生物防治研究
nvestigation of Kiwifruit Bacterial Canker Disease (Pseudomonas syringae pv. actinidiae Takikawa) in Guanzhong Area of Shaanxi Province and Its Biological Control
摘要
Abstract
[ Objective ] The paper was to grasp the incidence characteristic of kiwifruit bacterial canker disease ( Pseudomonas syringae pv. actinidiae Takikawa) in guanzhong area of Shaanxi province, and to screen the endophytic actinomycetes with control effect against kiwifruit bacterial canker. [ Method]The incidence characteristics of kiwffruit bacterial canker disease in 65 orchards of 13 villages in guanzhong area of Shaanxi province (Yangling, Zhouzhi, Meixian) were investigated and analyzed. The antagonistic strains against Pseudomonas syringae were simultaneously screened from 242 endophytic actinomycetes, and carried out field disease control test. [ Result] Theaverage incidence rate of kiwifruit bacterial canker disease in guanzhong area of Shaanxi province was 7.95％; the variety of kiwifruit had close relationship with incidence rate. 76 strains had inhibition activity against P. syringae, while the inhibition zone diameters of fermentation broths of 35 strains against P. syringae were greater than 20 mm. TIASA5 strain had inhibition activity against four target bacteria; gCLA4 strain not only had inhibition activity against four target bacteria, but also had strong inhibition activity against 10 species of plant pathogenic fungi. Field test showed that the fermentation broth of gCLA4 strain had obvious control effect against kiwifruit bacterial canker disease, and the relative control effect at 21 d could reach 66.7％. [ Conclusion] The antibacterial spectrum of fermentation broth of gclA4 strain is broad, so gclA4 strain has the potential to be developed into a broad-spectrum agricultural fungicide.关键词
猕猴桃溃疡病/拮抗内生放线菌/生物防治/田间试验Key words
Kiwifruit bacterial canker disease/ Endophytic actinomycetes/ Biological control/ Field test分类
农业科技引用本文复制引用
涂璇,王惠,申哲,郜佐鹏,康振生,黄丽丽..陕西关中地区猕猴桃溃疡病调查及其生物防治研究[J].安徽农业科学,2011,39(11):6433-6435,6440,4.基金项目
教育部"长江学者和创新团队"支持计划(200558) （200558）
国家"十五"攻关项目(2001BA509B03) （2001BA509B03）
西北农林科技大学创新团队项目 （）
三峡大学博士启动基金(KJ2008B015). （KJ2008B015）
